/**
* Copyright 2012-2014 Jorge Aliss (jaliss at gmail dot com) - twitter: @jaliss
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package securesocial.core.java;
import play.libs.F;
import play.mvc.Action;
import play.mvc.Http;
import play.mvc.Result;
import scala.Option;
import securesocial.core.RuntimeEnvironment;
import securesocial.core.authenticator.Authenticator;
import static play.libs.F.Promise;
/**
* An action that puts the current user in the context if there's one available. This is useful in
* public actions that need to access the user information if there's one logged in.
*
* Sample usage:
*
* @UserAwareAction
* public static Result index() {
* User user = (User) ctx().args.get(SecureSocial.USER_KEY);
* String name = user == null ? "guest" : user.displayName;
* return ok("Hello " + name);
* }
* @see securesocial.core.java.UserAwareAction
*/
public class UserAware extends Action<UserAwareAction> {
RuntimeEnvironment env;
public UserAware(RuntimeEnvironment<?> env) throws Throwable {
this.env = env;
}
@Override
public F.Promise<Result> call(final Http.Context ctx) throws Throwable {
Secured.initEnv(env);
return (F.Promise<Result>) F.Promise.wrap(env.authenticatorService().fromRequest(ctx._requestHeader())).flatMap(
new F.Function<Option<Authenticator>, Promise<Result>>() {
@Override
public F.Promise<Result> apply(Option<Authenticator> authenticatorOption) throws Throwable {
if (authenticatorOption.isDefined() && authenticatorOption.get().isValid()) {
Authenticator authenticator = authenticatorOption.get();
return F.Promise.wrap(authenticator.touch()).flatMap(new F.Function<Authenticator, Promise<Result>>() {
@Override
public Promise<Result> apply(Authenticator touched) throws Throwable {
ctx.args.put(SecureSocial.USER_KEY, touched.user());
return F.Promise.wrap(touched.touching(ctx)).flatMap(new F.Function<scala.runtime.BoxedUnit, Promise<Result>>() {
@Override
public Promise<Result> apply(scala.runtime.BoxedUnit unit) throws Throwable {
return delegate.call(ctx);
}
});
}
});
} else {
return delegate.call(ctx);
}
}
});
}
}